Function Generators
Models 4017A & 4040A
Data sheet
Technical data subject to change
© B&K Precision Corp. 2014
v050114
www.bk prec ision.com
Tel.: 714.921.9095
■0.2 Hz to 20 MHz
■Sine, Square, Triangle,
Pulse, & Ramp output
■Coarse and Fine tuning
■AM & FM modulation
■Burst operation
■External frequency
counter to 30 MHz
■Linear and log sweep
■Variable duty cycle
■Variable DC offset
■cUL certified
■0.1 Hz to 10 MHz
■Sine, Square, Triangle,
Pulse, & Ramp output
■Coarse and Fine tuning
■5 digit LED display
■Linear and log sweep
■Variable duty cycle
■Variable DC offset
■cUL certified
4017A
10 MHz Sweep
Function Generator
4040A
20 MHz Sweep
Function Generator
These analog function generators offer familiar controls, stable
output, and reliable operation at budget-saving price points.
Specifications 4017A 4040A
Frequency Characteristics
Waveforms Sine, Square, Triangle, ±Pulse, ±Ramp
Range 0.1 Hz to 10 MHz in 8 ranges 0.2 Hz to 20 MHz in 8 ranges
Resolution 5 digits 5 digits
T
uning Range 10:1 10:1
Fine ±5% of coarse setting ±5% of coarse setting
Variable Duty Cycle 15:85:15 cont variable 15:85:15 cont variable
Operating Modes Normal, sweep, VCG Normal,sweep, VCG, AM, FM,burst
Output Characteristics
Impedance 50Ω ±10%
Level 20 V p-p Open circuit, 10V p-p into 50Ω
Amplitude Variable, 20 dB range typical
Attenuation -20 dB ±1dB
DC Offset Preset ±0.1 V typ Variable: ±10V open-circuit ±5 into 50Ω
Sine Wave
Distortion ≤3% typical at 1 kHz
Flatness ±5% (.45 dB) 0.1 Hz to 8 MHz
±20% (2.0 dB) 8 MHz to 10 MHz
±5% (.45 dB) 10 Hz to 8 MHz
±20% (2.0 dB) 8 MHz to 20 MHz
Square wave
Symmetry 0.1 Hz to 100 kHz <2% 0.2 Hz to 100 kHz <2%
Rise time ≤30 ns
Triangle Wave Linearity: ≥ 98% to 100 kHz
TTL Output
Level 0.8V to 2.4V
Rise time ≤ 20 nS
Duty Cycle 50% typical
CMOS Output
Max. Frequency 2 MHz
Level 4V to 14V ±0.5 p-p cont. variable
Rise Time ≤120 nS
VCG (Voltage controlled generator)
Input Voltage 0-10V ±1V causes a 100:1 frequency change
Impedance 10kΩ ±5%
Sweep Operation
Mode LIN/LOG
Width 100:1 continuously variable
Rate 0.5 s to 30 s cont variable 20 ms to 2 s cont variable
Sweep Output 0 to 10 V 0 to 2 V
Start/Stop Frequencies NA Adjustable
Frequency Counter
Accuracy Time base accuracy ±1 count
Time Base Accuracy ±10 ppm (23° ±5°C)
Display 5 digit LED
Mode NA INT or EXT
External Input
Frequency Does not apply 5 Hz to 30 MHz
Resolution Does not apply 0.1, 1, 10, 100, 1 kHz
Sensitivity Does not apply 25 mVrms
General
AC Input 120/230 VAC ±10%, 50/60 Hz, internal jumper selectable
Dimensions 4.5 x 11.75 x 10.575"
(140 x 298 x 264mm)
5.5 x 11.75 x 10.575"
(114 x 298 x 264mm)
Weight 4 lbs. (1.8 kg) 4.5 lbs. (2 kg)
Two-Year Warranty
Included Accessories Output Cable with BNC to Alligator Clips,
Instruction Manual Carrying Case (not included): LC-40
Model 4040A
AM Modulation Characteristics
Source Internal, External
Modulation Ratio 0 to 100%
Int modulation 1 kHz
Ext Modulation DC to 500 kHz
Ext Sensitivity Less than 10V p-p for 100% modulation
FM Modulation Characteristics
Source Internal, External
Modulation Ratio 0 to 100%
Deviation 0 to 5%
INT Modulation 1 kHz
Ext Modulation DC to 500 kHz
Ext Sensitivity Less than 10V p-p for 100% modulation
Burst Characteristic
Source Internal, External
Burst Width Cont. variable from 5% to 90% of internal gating frequency
Repition Rate 0.5 Hz to 50 Hz, internal
DC to 500 kHz external
External Level TTL levels
Burst Frequency Determined by main generator frequency setting
Model 4040A
